Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A mobile device configured to transmit a signal at a transmit frequency, the mobile device comprising: a chassis having a slit along one dimension of the chassis, wherein a first aperture of the slit faces a first direction internal to the mobile device, the first aperture having a dimension that comprises a first subwavelength of the transmit frequency; and a second aperture of the slit that faces a direction opposite to the first direction, the second aperture having a dimension that comprises a second subwavelength of the transmit frequency, wherein the dimension of the first aperture and the dimension of the second aperture are smaller than a wavelength of the transmit frequency; wherein the slit comprises a channel that connects the first aperture and the second aperture, to support a transverse electromagnetic mode for propagation of the signal from the first aperture through the channel to the second aperture and a depth of the channel is smaller than the wavelength of the transmit frequency, wherein an antenna array within the chassis comprises a primary radiator within the mobile device to irradiate the first aperture, and a distance from the primary radiator to the first aperture is smaller than the dimension of the first aperture and the dimension of the second aperture, and wherein the chassis is configured as a secondary radiator and a cross-sectional profile of the channel is configured to provide a resonant transmission line.
2. The mobile device of claim 1 , wherein the first subwavelength of the transmit frequency is substantially equal to the second subwavelength of the transmit frequency.
A mobile device is designed to enhance wireless communication by utilizing subwavelength structures to improve signal transmission and reception. The device includes an antenna system configured to operate at a transmit frequency, where the antenna system comprises a first subwavelength structure and a second subwavelength structure. The first and second subwavelength structures are tuned to the same transmit frequency, meaning their respective subwavelengths are substantially equal. This alignment ensures that both structures resonate at the same frequency, optimizing signal efficiency and reducing interference. The subwavelength structures may be integrated into the device's housing or other components, allowing for compact and efficient antenna designs. The device may also include additional features such as signal processing circuitry to further enhance communication performance. By matching the subwavelengths of the transmit frequency, the mobile device achieves improved signal strength, reliability, and overall communication quality. This design is particularly useful in environments with high interference or where compact antenna solutions are required.
3. The mobile device of claim 1 , wherein the first aperture, the second aperture, a cross section of the channel, and channel thickness comprise a transmission line that supports the transverse electromagnetic mode.
This invention relates to mobile devices incorporating antenna structures designed to support transverse electromagnetic (TEM) mode propagation. The problem addressed is the need for efficient signal transmission within mobile devices, particularly in compact form factors where traditional antenna designs may suffer from performance limitations. The mobile device includes a housing with a first aperture and a second aperture, connected by a channel. The first aperture, second aperture, cross-sectional dimensions of the channel, and the channel thickness are configured to form a transmission line that supports TEM mode propagation. This design ensures low-loss signal transmission between the apertures, improving antenna efficiency and reducing interference. The channel's geometry is optimized to maintain TEM mode characteristics, which are desirable for their low dispersion and minimal radiation loss. The apertures serve as input/output ports for electromagnetic signals, while the channel acts as a waveguide, guiding the signals with minimal attenuation. This configuration is particularly useful in mobile devices where space constraints require compact yet high-performance antenna systems. The invention enhances signal integrity and reliability in wireless communication applications.
4. The mobile device of claim 1 , wherein the slit comprises a length dimension, and the antenna array is centered along the length dimension of the slit.
A mobile device includes an antenna array integrated with a display panel, where the display panel has a slit that allows the antenna array to be positioned behind the display. The antenna array is centered along the length of the slit to optimize signal transmission and reception. The display panel may include a flexible or rigid structure, and the antenna array can be positioned in a non-conductive region of the display to avoid interference. The slit may be formed in a conductive layer of the display, such as a metal mesh or a transparent conductive oxide layer, to allow the antenna array to operate without obstruction. The antenna array may be configured to support multiple frequency bands, including those used for cellular, Wi-Fi, or other wireless communication standards. The device may further include additional components, such as a touch sensor or a protective layer, integrated with the display panel while maintaining the functionality of the antenna array. The centered positioning of the antenna array along the slit ensures uniform signal distribution and minimizes signal degradation.
5. The mobile device of claim 1 , wherein the transmit frequency is in a millimeter wave band in a 5G wireless communication network.
This invention relates to mobile devices configured for millimeter wave (mmWave) communication in 5G wireless networks. The device includes a transceiver system designed to operate in the mmWave frequency band, which offers high data rates but faces challenges such as signal attenuation and limited coverage. The transceiver system is optimized to mitigate these issues, ensuring reliable communication in 5G networks. The device may also incorporate beamforming techniques to enhance signal directionality and overcome path loss in mmWave frequencies. Additionally, the system may include adaptive antenna arrays to dynamically adjust beam patterns based on environmental conditions and user movement. The invention addresses the need for improved wireless communication performance in high-frequency bands, particularly in dense urban environments where traditional sub-6 GHz frequencies may be insufficient. By leveraging mmWave technology, the device enables faster data transmission and supports emerging applications like augmented reality, virtual reality, and ultra-high-definition video streaming. The transceiver system may also integrate with other 5G network components, such as small cells and distributed antenna systems, to provide seamless connectivity. Overall, the invention enhances mobile device capabilities in 5G networks by optimizing mmWave communication for better speed, reliability, and coverage.
6. The mobile device of claim 1 , wherein the cross-sectional profile of the channel is configured with a plurality of chamfering patterns.
A mobile device includes a housing with an internal channel for routing cables or other components. The channel has a cross-sectional profile designed with multiple chamfering patterns. These chamfering patterns are angled or beveled edges along the channel's interior walls, which facilitate easier insertion and alignment of cables or other components during assembly. The chamfering patterns reduce friction and prevent damage to the components as they are guided into the channel. This design improves manufacturing efficiency by simplifying the assembly process and reducing the risk of misalignment or damage to sensitive components. The chamfering patterns may vary in angle, depth, or spacing along the channel to optimize routing for different types of components. The overall structure ensures secure and precise positioning of internal components while maintaining the device's compact form factor. This solution addresses challenges in mobile device assembly, particularly in ensuring reliable cable routing and component integration in tightly constrained spaces.
7. The mobile device of claim 6 , wherein the plurality of chamfering patterns include linear chamfering.
A mobile device includes a housing with a plurality of chamfering patterns on its edges. These patterns are designed to reduce the likelihood of damage when the device is dropped or impacted. The chamfering patterns include linear chamfering, which involves straight, angled cuts along the edges of the housing. This design helps distribute impact forces more evenly, reducing stress concentrations that could lead to cracks or breaks. The chamfering patterns may also include other shapes, such as curved or stepped edges, to further enhance durability. The housing is constructed from a rigid material, such as metal or reinforced plastic, to provide structural integrity while allowing the chamfering patterns to absorb and deflect impact energy. The device may also include additional protective features, such as shock-absorbing materials or reinforced corners, to complement the chamfering patterns. This design is particularly useful for mobile devices that are frequently subjected to rough handling or accidental drops, ensuring longevity and reliability.
8. The mobile device of claim 6 , wherein the plurality of chamfering patterns include curvilinear chamfering.
A mobile device includes a housing with a plurality of chamfering patterns along its edges to reduce stress concentrations and improve durability. The chamfering patterns are designed to distribute impact forces more evenly across the housing, preventing cracks or fractures that can occur at sharp edges. The device further includes a display assembly with a flexible display panel that extends beyond the housing edges, allowing for a seamless, edge-to-edge viewing experience. The flexible display panel is supported by a support structure that provides structural rigidity while accommodating bending and flexing. The chamfering patterns on the housing edges are specifically shaped to prevent damage to the flexible display panel during handling or impact. In some embodiments, the chamfering patterns include curvilinear shapes, which provide smoother transitions and further reduce stress concentrations compared to linear chamfers. The device may also include additional features such as a protective layer over the flexible display panel to enhance durability and resistance to scratches or abrasions. The combination of the chamfered housing edges and the flexible display design allows for a sleek, modern aesthetic while maintaining structural integrity and impact resistance.
9. The mobile device of claim 1 , wherein the cross-sectional profile of the channel is configured to provide the resonant transmission line mode at 60 GHz when the signal is transmitted through the slit.
This invention relates to mobile devices incorporating a resonant transmission line structure for high-frequency signal transmission, specifically at 60 GHz. The device includes a housing with a channel or slit that supports a resonant transmission line mode when a signal is transmitted through it. The cross-sectional profile of this channel is specifically designed to enable efficient signal propagation at 60 GHz, a frequency band commonly used for high-data-rate wireless communication. The resonant mode enhances signal integrity and reduces losses during transmission, addressing challenges in high-frequency signal propagation in compact mobile devices. The channel's geometry is optimized to support the desired resonant mode, ensuring reliable performance in applications such as 60 GHz wireless communication, radar, or sensing. The design may also include additional features, such as impedance matching or shielding, to further improve signal transmission efficiency. This technology is particularly useful in mobile devices where space constraints and high-frequency performance must be balanced.
10. A chassis for a mobile device comprising: a cover having a slit along one dimension of the cover wherein the cover is configured to receive a transceiver coupled to an antenna array that is configured to transmit a signal at a transmit frequency; a first aperture of the slit configured to face a first direction internal to the mobile device, the first aperture having a dimension that comprises a first subwavelength of the transmit frequency; and a second aperture of the slit configured to face a direction opposite to the first direction, the second aperture having a dimension that comprises a second subwavelength of the transmit frequency, wherein the dimension of the first aperture and the dimension of the second aperture are smaller than a wavelength of the transmit frequency, wherein the slit comprises a channel that connects the first aperture and the second aperture and a depth of the channel is smaller than the wavelength of the transmit frequency, wherein the antenna array within the chassis comprises a primary radiator within the mobile device to irradiate the first aperture, and a distance from the primary radiator to the first aperture is smaller than the dimension of the first aperture and the dimension of the second aperture, and wherein the channel is configured to support a transverse electromagnetic mode for propagation of the signal from the first aperture through the channel to the second aperture when the first aperture is irradiated by the antenna array.
This invention relates to a chassis design for mobile devices that enhances signal transmission by incorporating a specialized slit structure. The problem addressed is improving antenna performance within compact mobile device enclosures, where space constraints often degrade signal quality. The chassis includes a cover with a slit running along one dimension, containing two apertures facing opposite directions. The first aperture, facing inward, has a dimension smaller than the transmit frequency's wavelength, as does the second aperture, which faces outward. The slit forms a channel connecting these apertures, with a depth also smaller than the wavelength. Inside the chassis, an antenna array with a primary radiator irradiates the first aperture. The distance from the radiator to the aperture is shorter than the aperture dimensions. The slit's design supports transverse electromagnetic mode propagation, allowing signals to travel from the first aperture through the channel to the second aperture. This configuration optimizes signal transmission while maintaining structural integrity and compactness, addressing challenges in mobile device antenna integration.
11. The chassis of claim 10 , wherein the cover is configured to function as a radiator.
A system for thermal management in electronic devices addresses the problem of heat dissipation in compact electronic enclosures. The invention involves a chassis with a cover that serves a dual purpose: structural protection and heat dissipation. The cover is designed to function as a radiator, efficiently transferring heat away from internal components to the external environment. This design eliminates the need for separate cooling components, reducing overall system size and complexity while maintaining thermal performance. The radiator cover may incorporate features such as fins, heat pipes, or other heat-dissipating structures to enhance cooling efficiency. The chassis itself may include mounting points or structural reinforcements to support the radiator cover while ensuring mechanical stability. This approach is particularly useful in high-performance computing, telecommunications, and industrial electronics where space constraints and thermal management are critical. The integration of the radiator function into the cover simplifies assembly and improves reliability by reducing the number of discrete parts. The system ensures effective heat dissipation without compromising the structural integrity of the enclosure.
12. The chassis of claim 10 , wherein the first aperture dimension and the second aperture dimension are each configured to be about a quarter wavelength of the frequency.
This invention relates to a chassis design for electronic devices, particularly addressing signal interference and electromagnetic compatibility (EMC) issues. The chassis includes multiple apertures that are precisely sized to mitigate unwanted electromagnetic radiation and improve signal integrity. The apertures are dimensioned to be approximately a quarter wavelength of the operating frequency, which helps to suppress resonant frequencies that could cause interference. The chassis may also include additional structural features, such as mounting points or reinforcement ribs, to enhance mechanical stability while maintaining the desired electromagnetic shielding properties. The design ensures that the chassis effectively blocks or attenuates electromagnetic waves at specific frequencies, reducing noise and improving the performance of electronic components housed within the device. The precise sizing of the apertures prevents the formation of standing waves that could degrade signal quality, making the chassis suitable for high-frequency applications where electromagnetic interference is a concern. The overall structure balances mechanical strength with electromagnetic shielding efficiency, ensuring reliable operation in sensitive electronic environments.
13. The chassis of claim 10 , wherein the antenna array comprises a plurality of antenna elements each comprising patches, or a plurality of antenna elements each comprising an inner conductor and an outer conductor and having a dielectric between the inner conductor and the outer conductor.
This invention relates to a chassis for a wireless communication device, specifically addressing the integration of an antenna array within the chassis to improve signal transmission and reception. The chassis includes an antenna array with multiple antenna elements designed to enhance wireless communication performance. Each antenna element can be configured in two distinct ways: either as a patch antenna or as a coaxial antenna. In the patch antenna configuration, each element includes conductive patches that radiate electromagnetic signals. Alternatively, in the coaxial antenna configuration, each element consists of an inner conductor, an outer conductor, and a dielectric material separating the two conductors. The dielectric material ensures proper insulation and signal propagation between the conductors. The antenna array is embedded within the chassis, allowing for compact and efficient integration into the device. This design aims to optimize signal strength, reduce interference, and improve overall wireless communication reliability. The invention is particularly useful in devices requiring robust and efficient antenna systems, such as smartphones, tablets, or other portable electronic devices. The dual-configuration antenna elements provide flexibility in design and performance optimization based on specific application requirements.
14. The chassis of claim 10 , wherein the first aperture, the second aperture, a cross section of the channel, and channel thickness comprises a transmission line that supports the transverse electromagnetic mode.
This invention relates to a chassis structure designed for electromagnetic signal transmission, addressing the challenge of integrating high-frequency signal pathways into mechanical enclosures while maintaining signal integrity. The chassis includes a first aperture, a second aperture, and a channel connecting them, where the channel has a specific cross-sectional shape and thickness. These components collectively form a transmission line that supports the transverse electromagnetic (TEM) mode, ensuring efficient signal propagation with minimal distortion. The TEM mode is critical for high-frequency applications, as it avoids mode conversion and signal degradation. The channel's geometry and dimensions are optimized to match the impedance of the connected circuitry, reducing reflections and improving signal quality. This design eliminates the need for separate waveguides or coaxial cables, simplifying the assembly and reducing cost. The chassis may also include additional features, such as mounting points or shielding, to enhance structural integrity and electromagnetic compatibility. The invention is particularly useful in telecommunications, aerospace, and high-speed computing, where reliable signal transmission is essential.
15. The chassis of claim 10 , wherein the slit has a length dimension, and the antenna array is centered along the length dimension of the slit at a distance from the chassis of a subwavelength of the transmit frequency.
This invention relates to antenna systems integrated into a chassis, addressing challenges in compact antenna design for wireless communication devices. The chassis includes a slit that serves as a radiating element for an antenna array. The slit has a defined length dimension, and the antenna array is positioned along this length at a specific distance from the chassis. This distance is a subwavelength of the transmit frequency, ensuring efficient radiation while maintaining a compact form factor. The antenna array is centered along the slit's length to optimize signal transmission and reception. The chassis may also include additional features, such as a ground plane or conductive elements, to enhance performance. The design aims to improve antenna efficiency, reduce interference, and support high-frequency wireless communication in space-constrained environments. The subwavelength spacing ensures proper impedance matching and minimizes signal loss, making the system suitable for modern wireless devices requiring compact yet high-performance antennas.
16. The chassis of claim 10 , wherein the transmit frequency is in a millimeter wave band in a 5G network.
This invention relates to a chassis for wireless communication devices, particularly for use in 5G networks operating in the millimeter wave (mmWave) frequency band. The mmWave band offers high data rates but faces challenges such as signal attenuation and limited range. The chassis is designed to mitigate these issues by incorporating specialized components that enhance signal transmission and reception in this frequency range. The chassis includes an antenna array configured to transmit and receive signals in the mmWave band, which is typically between 24 GHz and 100 GHz. The antenna array may be integrated into the chassis structure or mounted on its surface, depending on the device's form factor. The chassis also features signal processing circuitry that optimizes signal strength, reduces interference, and improves beamforming capabilities, which are critical for maintaining reliable connections in mmWave networks. Additionally, the chassis may include shielding materials to minimize electromagnetic interference (EMI) and ensure compliance with regulatory standards. The design may also incorporate thermal management features to dissipate heat generated by high-frequency components, preventing performance degradation. The overall structure is optimized for compactness and durability, making it suitable for integration into various 5G-enabled devices, such as smartphones, routers, and base stations. By addressing the unique challenges of mmWave communication, this chassis enables faster, more reliable wireless connectivity in 5G networks.
17. A method of operating a mobile device comprising: sending a signal to at least one Evolved Node B (eNB) from a transceiver via an antenna array that is configured to transmit the signal at a transmit frequency, wherein the transceiver and the antenna array are within a chassis, wherein the chassis has a slit along one dimension of the chassis, wherein a first aperture of the slit is configured to face a first direction internal to the mobile device, the first aperture having a dimension that comprises a first subwavelength of the transmit frequency, wherein a second aperture of the slit is configured to face a direction opposite to the first direction, the second aperture having a dimension that comprises a second subwavelength of the transmit frequency, wherein the slit comprises a channel that connects the first aperture and the second aperture and a depth of the channel is smaller than the wavelength of the transmit frequency, wherein the channel is configured to support a transverse electromagnetic mode for propagation of the signal from the first aperture through the channel to the second aperture, wherein the antenna array within the chassis comprises a primary radiator within the mobile device to irradiate the first aperture, and a distance from the primary radiator to the first aperture is smaller than the dimension of the first aperture and the dimension of the second aperture, and wherein the chassis functions as a secondary radiator and a cross-sectional profile of the channel is configured to provide a resonant transmission line; and receiving a return signal from at least one eNB via the antenna array.
This invention relates to wireless communication in mobile devices, specifically improving signal transmission and reception efficiency. The problem addressed is the need for compact, high-performance antenna systems within the constrained space of mobile device chassis. The solution involves a slit-based antenna design integrated into the device chassis, functioning as both a primary and secondary radiator to enhance signal propagation. The mobile device includes a transceiver and an antenna array housed within a chassis featuring a slit along one dimension. The slit has two apertures: one facing inward (first aperture) and another facing outward (second aperture), each with dimensions smaller than the wavelength of the transmit frequency. A channel connects these apertures, with a depth also smaller than the wavelength, supporting transverse electromagnetic mode propagation. The primary radiator, positioned close to the first aperture, irradiates the slit, while the chassis acts as a secondary radiator. The channel's cross-sectional profile is designed to function as a resonant transmission line, optimizing signal transmission from the first aperture through the channel to the second aperture. The device sends and receives signals to and from Evolved Node B (eNB) base stations via this antenna system, improving communication efficiency in compact form factors.
18. The method of claim 17 , wherein the mobile device is configured to operate with a 3GPP LTE cellular network.
A system and method for mobile device communication involves a mobile device configured to operate with a 3GPP LTE cellular network. The mobile device includes a processor, a memory, and a wireless communication module. The wireless communication module is designed to establish a connection with a cellular network, such as a 3GPP LTE network, to facilitate data transmission and reception. The processor executes instructions stored in the memory to manage network operations, including signal processing, data encryption, and protocol handling. The system may also include a network infrastructure component, such as a base station or an evolved NodeB (eNodeB), which communicates with the mobile device to provide network access. The mobile device may further include additional features, such as a user interface for displaying network status or a power management module to optimize battery usage during network operations. The method ensures reliable communication by dynamically adjusting transmission parameters based on network conditions, such as signal strength or interference levels. This approach enhances data throughput and reduces latency in LTE networks, improving overall user experience. The system may also support additional network protocols or standards to ensure compatibility with various wireless networks.
19. The method of claim 17 , wherein the mobile device is a communication station (STA) configured to operate in a Wi-Fi network.
A method for optimizing wireless communication in a Wi-Fi network involves a mobile device, such as a communication station (STA), dynamically adjusting its communication parameters to improve performance. The mobile device monitors network conditions, including signal strength, interference levels, and data throughput, to determine optimal settings for transmission power, channel selection, and modulation schemes. By analyzing these factors, the device can select the most efficient communication parameters to enhance reliability and reduce latency. The method may also involve coordinating with other devices in the network to avoid conflicts and maximize overall efficiency. This approach ensures that the mobile device adapts to changing network conditions, maintaining stable and high-performance connectivity in diverse environments. The solution addresses challenges such as signal degradation, interference, and varying network loads, providing a more robust and efficient communication experience for users.
20. The method of claim 17 , wherein the transmit frequency is in a millimeter wave band, and the mobile device and the at least one eNB are in a 5G network.
This invention relates to wireless communication systems, specifically improving signal transmission in millimeter wave (mmWave) bands for 5G networks. The problem addressed is the challenge of maintaining reliable communication links in mmWave bands, which are susceptible to blockage and signal degradation due to their high frequency and short wavelength. The solution involves a method for dynamically adjusting transmit frequencies and power levels between a mobile device and at least one evolved NodeB (eNB) in a 5G network to optimize signal quality and coverage. The method includes determining a transmit frequency within the mmWave band, which is particularly prone to interference and attenuation. It also involves adjusting the transmit power level based on environmental conditions, such as obstacles or signal interference, to ensure stable communication. The system may use beamforming techniques to focus the signal directionally, compensating for the inherent limitations of mmWave propagation. Additionally, the method may involve switching between different frequency bands or eNBs to maintain connectivity when the primary link is disrupted. The goal is to enhance reliability and throughput in 5G networks operating in mmWave bands, where traditional techniques may fail due to the unique propagation characteristics of these frequencies.
21. A mobile device comprising: a transceiver coupled to an antenna array that is configured to operate as a primary radiator and transmit a signal at a first transmit frequency, the transceiver and antenna array situated within a chassis that has a slit along one dimension; a first side of the chassis configured to face a first direction internal to the mobile device and including a first dimension of the slit that comprises a first aperture, the first dimension being a first subwavelength of the transmit frequency; a second side of the chassis configured to face free space and having a second dimension of the slit that comprises a second aperture, the second dimension being a second subwavelength of the transmit frequency, wherein the dimension of the first aperture and the dimension of the second aperture are smaller than a wavelength of the transmit frequency; and a channel in the chassis that connects the first aperture and the second aperture, wherein he antenna array is configured to face the first side of the chassis to transmit the signal to the first aperture and a depth of the channel is smaller than the wavelength of the transmit frequency, a cross-sectional profile of the channel is configured to provide a resonant transmission line, and the chassis, when irradiated by the primary radiator, functions as a secondary radiator, wherein a distance from the primary radiator to the first aperture is smaller than the first dimension and the second dimension wavelength of the transmit frequency.
This invention relates to a mobile device with an improved antenna system designed to enhance signal transmission efficiency. The device includes a transceiver connected to an antenna array that acts as a primary radiator, transmitting signals at a specific frequency. The antenna array and transceiver are housed within a chassis featuring a slit along one dimension. The chassis has two sides: one facing inward toward the device's internal components and another facing outward toward free space. The inward-facing side contains a first aperture with a subwavelength dimension relative to the transmit frequency, while the outward-facing side has a second aperture with a similarly subwavelength dimension. Both apertures are smaller than the wavelength of the transmit frequency. A channel within the chassis connects these two apertures, with a depth smaller than the transmit frequency's wavelength. The channel's cross-sectional profile is designed to function as a resonant transmission line, allowing efficient signal propagation. The antenna array is positioned to face the inward-facing side, directing signals toward the first aperture. When the primary radiator irradiates the chassis, the chassis itself acts as a secondary radiator, enhancing signal transmission. The distance from the primary radiator to the first aperture is smaller than the subwavelength dimensions of both apertures, optimizing signal coupling. This design improves antenna performance by leveraging the chassis as an additional radiating element while maintaining compact dimensions suitable for mobile devices.
22. The mobile device of claim 21 , wherein the first aperture, the second aperture, a cross section of the channel, and channel thickness comprises a transmission line that supports the transverse electromagnetic mode.
This invention relates to mobile devices incorporating antenna structures designed to support transverse electromagnetic (TEM) mode propagation. The problem addressed is the need for efficient signal transmission within mobile devices, particularly in compact form factors where traditional antenna designs may suffer from performance limitations. The mobile device includes a housing with at least two apertures and a channel connecting them. The first and second apertures, along with the cross-sectional dimensions and thickness of the channel, form a transmission line structure. This structure is specifically configured to support TEM mode propagation, which minimizes signal loss and distortion during transmission. The TEM mode ensures that electric and magnetic fields are perpendicular to the direction of propagation, maintaining signal integrity over short distances within the device. The channel acts as a waveguide, guiding electromagnetic waves between the apertures while maintaining the TEM mode. The precise dimensions of the apertures and channel are optimized to match the impedance of the transmission line, reducing reflections and improving efficiency. This design is particularly useful for high-frequency applications where signal integrity is critical, such as in 5G or millimeter-wave communication systems. The invention enhances antenna performance by providing a low-loss transmission path for signals within the device, improving overall communication reliability.
23. The mobile device of claim 21 , wherein the slit has a length dimension, and the antenna array is centered along the length dimension of the slit at a distance of a subwavelength of the transmit frequency from the chassis.
This invention relates to mobile device antenna design, specifically addressing challenges in integrating high-performance antennas within compact device chassis. The problem solved is optimizing antenna placement to minimize interference from the conductive chassis while maintaining efficient signal transmission and reception. The invention features a mobile device with an antenna array positioned adjacent to a slit in the chassis. The slit has a defined length dimension, and the antenna array is precisely centered along this length. The antenna array is positioned at a distance from the chassis that is a subwavelength of the transmit frequency, ensuring optimal electromagnetic coupling and reducing signal degradation caused by the chassis. This configuration improves antenna efficiency and radiation patterns without requiring additional shielding or complex tuning mechanisms. The slit acts as a waveguide, directing electromagnetic waves away from the chassis and enhancing signal clarity. The subwavelength spacing ensures the antenna operates within the near-field region of the chassis, minimizing reflections and improving overall performance. This design is particularly useful for high-frequency applications where signal integrity is critical, such as 5G and millimeter-wave communications. The invention provides a compact, efficient solution for integrating antennas in mobile devices while mitigating interference from the conductive chassis.
24. The mobile device of claim 21 , wherein the antenna array comprises a plurality of antenna elements each comprising patches, or a plurality of antenna elements each comprising an inner conductor and an outer conductor and having a dielectric between the inner conductor and the outer conductor.
Unknown
June 16, 2020
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